7750820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 20684160

約数和(自身を除く): 12933340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 719, 770, 980, 1078, 1438, 1540, 2156, 2695, 2876, 3595, 5033, 5390, 7190, 7909, 10066, 10780, 14380, 15818, 20132, 25165, 31636, 35231, 39545, 50330, 55363, 70462, 79090, 100660, 110726, 140924, 158180, 176155, 221452, 276815, 352310, 387541, 553630, 704620, 775082, 1107260, 1550164, 1937705, 3875410, 7750820]

約数ペア:

[(1, 7750820), (2, 3875410), (4, 1937705), (5, 1550164), (7, 1107260), (10, 775082), (11, 704620), (14, 553630), (20, 387541), (22, 352310), (28, 276815), (35, 221452), (44, 176155), (49, 158180), (55, 140924), (70, 110726), (77, 100660), (98, 79090), (110, 70462), (140, 55363), (154, 50330), (196, 39545), (220, 35231), (245, 31636), (308, 25165), (385, 20132), (490, 15818), (539, 14380), (719, 10780), (770, 10066), (980, 7909), (1078, 7190), (1438, 5390), (1540, 5033), (2156, 3595), (2695, 2876)]